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4625081 = 6175821
BaseRepresentation
bin10001101001001010111001
322200222102022
4101221022321
52141000311
6243044225
754212126
oct21511271
98628368
104625081
11267998a
121670675
13c5c246
1488574d
156155db
hex4692b9

4625081 has 4 divisors (see below), whose sum is σ = 4700964. Its totient is φ = 4549200.

The previous prime is 4625059. The next prime is 4625119. The reversal of 4625081 is 1805264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2496400 + 2128681 = 1580^2 + 1459^2 .

It is a cyclic number.

It is not a de Polignac number, because 4625081 - 210 = 4624057 is a prime.

It is a super-2 number, since 2×46250812 = 42782748513122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4625081.

It is not an unprimeable number, because it can be changed into a prime (4625021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37850 + ... + 37971.

It is an arithmetic number, because the mean of its divisors is an integer number (1175241).

Almost surely, 24625081 is an apocalyptic number.

It is an amenable number.

4625081 is a deficient number, since it is larger than the sum of its proper divisors (75883).

4625081 is an equidigital number, since it uses as much as digits as its factorization.

4625081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75882.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4625081 is about 2150.6001487957. The cubic root of 4625081 is about 166.6120652252.

The spelling of 4625081 in words is "four million, six hundred twenty-five thousand, eighty-one".

Divisors: 1 61 75821 4625081